Untitled (bleed-through of previous page and color transfer, left page); Untitled (notes and measurements for light sculpture "Intersection," right page)

Red and white chalk on blue antique laid paper faded to brown

Colored and metallic marker on paper

Black marker and tape on paper

Metalpoint on prepared paper

Watercolor and white gouache on off-white wove paper

Graphite and black, red and green ink on brown wove paper

Black ink over graphite on discolored white paper

Graphite on cream wove paper

Brown ink, gray wash and white gouache on cream paper

Graphite on paper

Colored crayons on paper

Graphite on paper